01: /*
02: Copyright (c) 2006, Matthew Estes
03: All rights reserved.
04:
05: Redistribution and use in source and binary forms, with or without
06: modification, are permitted provided that the following conditions are met:
07:
08: * Redistributions of source code must retain the above copyright
09: notice, this list of conditions and the following disclaimer.
10: * Redistributions in binary form must reproduce the above copyright
11: notice, this list of conditions and the following disclaimer in the
12: documentation and/or other materials provided with the distribution.
13: * Neither the name of Metanotion Software nor the names of its
14: contributors may be used to endorse or promote products derived from this
15: software without specific prior written permission.
16:
17: THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
18: IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
19: THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
20: PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
21: CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
22: EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
23: PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
24: PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
25: LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
26: NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27: SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28: */
29: package net.metanotion.io;
30:
31: import java.io.ByteArrayInputStream;
32: import java.io.ByteArrayOutputStream;
33: import java.io.DataInputStream;
34: import java.io.DataOutputStream;
35: import java.io.IOException;
36:
37: import net.metanotion.io.Serializer;
38:
39: public abstract class SerialStreams implements Serializer {
40: public byte[] getBytes(Object o) {
41: try {
42: ByteArrayOutputStream baos = new ByteArrayOutputStream();
43: DataOutputStream dos = new DataOutputStream(baos);
44: writeOut(dos, o);
45: return baos.toByteArray();
46: } catch (IOException ioe) {
47: throw new Error();
48: }
49: }
50:
51: public Object construct(byte[] b) {
52: try {
53: ByteArrayInputStream bais = new ByteArrayInputStream(b);
54: DataInputStream dis = new DataInputStream(bais);
55: return readIn(dis);
56: } catch (IOException ioe) {
57: ioe.printStackTrace();
58: throw new Error();
59: }
60: }
61:
62: abstract public void writeOut(DataOutputStream dos, Object o)
63: throws IOException;
64:
65: abstract public Object readIn(DataInputStream dis)
66: throws IOException;
67: }
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